| 西铂莱恩 |
2011-09-16 14:20 |
glass selection
Glass selection tends to be both a science and an art. It is the intent of this paper to remove the PNNY_t +I
"mystique" surrounding glass selection, primarily based on the chromatic properties of the glass, (MfPu8j
and to show via careful parametric analyses how we can optimally select glasses for lenses of &-l(nr]h]
different f/numbers, spectral bands, and performance requirements. The important roles of W|NT*g{;M
refractive index and Abbe number as well as partial dispersion will be considered. Using the u">KE6um
SCHOTT glass map, six separate and identifiable regions along with glasses within each region ~!bA<q
will be discussed. The goal for this paper is to make glass selection easier to understand.
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